HP-97s card reader inquiry

[teenix]

(11-28-2020 08:22 PM)[kby] Wrote:  Is there a list of opcodes and their descriptions somewhere?-kby

As best as I can determine.

Crc060 - set display digits
Crc100 - test ready
Crc160 - test display digits
Crc260 - motor = on
Crc300 - test w/prg switch
Crc360 - motor = off
Crc400 - a key was pressed
Crc500 - test if a key was pressed
Crc560 - test if card inserted
Crc660 - write mode
Crc760 - read mode
Crc1000 - set default functions for A - E keys
Crc1100 - test if default functions for A - E keys set
Crc1200 - set merge
Crc1300 - test merge
Crc1400 - set pause
Crc1500 - test pause
Crc1700 - read/write from/to card

cheers

Tony